Operating income is often used interchangeably with the acronym EBIT, which stands for earnings before interest and tax, and that is the reason EBIT margin is often referred to as operating margin.

Highly variable operating margins are a prime indicator of business risk. By the same ... EBIT to sales, operating profit margins show how successful a company's management has been at generating ...

Operating income measures a company’s efficiency and performance and is the profit after operating expenses have been subtracted from gross profit. Before delving further into operating income ...